Samsung started to roll out Android 4.1.2 Jelly Bean update for carrier branded Galaxy S3 Mini I8190N in various countries. We already shared installation instruction along with download link of latest Android 4.1.2 Jelly Bean for Samsung Galaxy S3 Mini I8190N. There are two official ways to update your device to this latest Android 4.1.2 Jelly Bean, either via OTA update or through official tool KIES utility. However, due to tempering with official ROM or for any other reason if you unable to do so, then follow any of our guide after choosing proper firmware for your device to manually update Galaxy S3 Mini I8190N to latest official Android 4.1.2 Jelly Bean firmware.

After downloading the firmware read through the following article to update your Galaxy S3 Mini I8190N. All though, the guide may show another firmware variant than what you have but the steps are same.